PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31295864-2 2019 The reversal of the pH gradient across the plasma membrane in cells that regulate intracellular pH (pHi) has potential to drive the selective uptake of weak acids at low extracellular pH (pHe). Phenylalanine 188-191 glucose-6-phosphate isomerase Homo sapiens 100-103